| A | B |
| Civil War | war between the states |
| Abolition | movement to end slavery |
| William Lloyd Garrison | wrote the newspaper, The Liberator |
| Emancipation | the freeing of slaves |
| Frederick Douglas | began his own paper, The North Star |
| Sarah and Angelina Grimke | called for the overthrow of slavery |
| Nat Turner | believed that God chose him to lead his people out of bondage |
| Henry Clay | the Great Compromiser |
| Missouri Compromise | maintained the balance of power among slave and free states |
| Tariff of Abominations | goal was to protect industry in the northern United States |
| John C. Calhoun | champion of states' rights |
| Nullification Theory | questioned the legality of applying some federal laws in sovereign states |
| Sectionalism | loyalty to a part of a nation, but not the nation as a whole |
| Secession | to withdraw from the union |
| Monroe Doctrine | to warned European powers against attempts to extend control over territory on the American continents |
| Fugitive | runaway slave |